body{
    background-color: #F2F2F2;
}
.file_div{
    text-align: right;
}
.file_tips{
    box-sizing: content-box;
    float: left;
    margin: 10px;
    width: 45%;
}
#new_word{
    position: fixed;
    right: 10%;
    bottom: 10%;
}
@media screen and (max-width: 1200px){
    .file_tips{
        box-sizing: content-box;
        float: left;
        margin: 10px;
        width: 100%;
    }
    body{
        font-size: 30px;
    }
    .layui-btn{
        font-size: 35px;
        height: 60px;
    }
    .layui-card-header{
        font-size: 25px;
    }
    .layui-container{
        width: 95%;
    }
}